activity
20242026
collaborators

12 papers

cs.SE2026

Diff Diffusion: Predicting Edit Paths with Diffusion Models for Efficient Code Editing

Xiaolong Xu, Hao Jiang, Bo Jiang +5

Diffusion large language models (dLLMs) are appealing for code generation because they can update many tokens in parallel, yet many are optimized for sequence synthesis rather than…

cs.LG2026

Reference-Sampled Boltzmann Projection for KL-Regularized RLVR: Target-Matched Weighted SFT, Finite One-Shot Gaps, and Policy Mirror Descent

Yao Shu, Chenxing Wei, Hongbin Lin +2

Online reinforcement learning with verifiable rewards (RLVR) turns checkable outcomes into a scalable training signal, but it keeps rollout generation, verifier scoring, and refere…

cs.AI2026

MEMO: Memory-Augmented Model Context Optimization for Robust Multi-Turn Multi-Agent LLM Games

Yunfei Xie, Kevin Wang, Bobby Cheng +9

Multi-turn, multi-agent LLM game evaluations often exhibit substantial run-to-run variance. In long-horizon interactions, small early deviations compound across turns and are ampli…

cs.AI2026

SAGE: Multi-Agent Self-Evolution for LLM Reasoning

Yulin Peng, Xinxin Zhu, Chenxing Wei +4

Reinforcement learning with verifiable rewards improves reasoning in large language models (LLMs), but many methods still rely on large human-labeled datasets. While self-play redu…

cs.LG2026

LFPO: Likelihood-Free Policy Optimization for Masked Diffusion Models

Chenxing Wei, Jiazhen Kang, Hong Wang +8

Reinforcement Learning with Verifiable Rewards (RLVR) has achieved remarkable success in improving autoregressive models, especially in domains requiring correctness like mathemati…

cs.AI2026

Words & Weights: Streamlining Multi-Turn Interactions via Co-Adaptation

Chenxing Wei, Hong Wang, Ying He +4

Test-time policy adaptation for multi-turn interactions (T2PAM) is essential for aligning Large Language Models (LLMs) with dynamic user needs during inference time. However, exist…

cs.AI2025

Scheduling Your LLM Reinforcement Learning with Reasoning Trees

Hong Wang, Zhezheng Hao, Jian Luo +6

Using Reinforcement Learning with Verifiable Rewards (RLVR) to optimize Large Language Models (LLMs) can be conceptualized as progressively editing a query's `Reasoning Tree'. This…

cs.LG2025

GAPO: Robust Advantage Estimation for Real-World Code LLMs

Jianqing Zhang, Zhezheng Hao, Wei Xia +7

Reinforcement learning (RL) is widely used for post-training large language models (LLMs) in code editing, where group-relative methods, such as GRPO, are popular due to their crit…

cs.CL2025

Test-Time Policy Adaptation for Enhanced Multi-Turn Interactions with LLMs

Chenxing Wei, Hong Wang, Ying He +2

Large Language Models (LLMs) employ multi-turn interaction as a fundamental paradigm for completing complex tasks. However, their performance often degrades in extended interaction…

cs.CV2025

UniSVG: A Unified Dataset for Vector Graphic Understanding and Generation with Multimodal Large Language Models

Jinke Li, Jiarui Yu, Chenxing Wei +5

Unlike bitmap images, scalable vector graphics (SVG) maintain quality when scaled, frequently employed in computer vision and artistic design in the representation of SVG code. In…

cs.LG2025

ReDit: Reward Dithering for Improved LLM Policy Optimization

Chenxing Wei, Jiarui Yu, Ying Tiffany He +3

DeepSeek-R1 has successfully enhanced Large Language Model (LLM) reasoning capabilities through its rule-based reward system. While it's a ''perfect'' reward system that effectivel…

cs.AI2024

Flexora: Flexible Low Rank Adaptation for Large Language Models

Chenxing Wei, Yao Shu, Ying Tiffany He +1

Large Language Models (LLMs) are driving advancements in artificial intelligence by increasing the scale of model parameters, which has significantly enhanced generalization abilit…